If you don't use real nav you should really give it a try guys. Its so much fun. Have a calculator handy though
. Yes them marks are from his navigator calculating his position.
If you have Trevallys scripts installed he has a script where the navigator will automatically plot your position every so often.
Coming into port using real navigation in the fog is a challenge
. Check this entry from my online diary
Thursday, April 10, 1941